Electrical

Electrical

Arduino UNO current/power logger

This is a pretty simple project combing and Arduino UNO and an INA226 power monitor IC. With a little bit of tweaking it can log measuring at a sample rate of 1.5 kHz Hardware * Arduino UNO * INA266 breakout board (from AliExpress or similar, e.g. https://www.aliexpress.com/

Electrical

Bose PS18 powered speaker repair

The unit wasn't powering up - no sound, no LED activity. On opening up, the fuse had blown. On inspection, no visible signs of failed components. I replaced the fuse and heard a pop and then the faint smell of magic smoke. In retrospect I should have used